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if M=(8,5) is the midpoint of the line segment joining v=(9,-8) and w=(a,b) find the coordinates of w? |
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Answer» Answer: Here is your answer Step-by-step explanation: mid PT formula - X1 + x2 ÷ 2 ; Y1 + y2 ÷ 2 (8,5) = ( 9 + a / 2 ; -8 + B / 2) 9+a /2 = 8 ; -8 + b / 2 = 5 a + 9 = 16 ; b - 8 = 5 a = 7 , b = 18 w ( 7,18) |
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